Koenig horn in F etc. Antoine Courtois 1855 Paris  Hight : 432mm C: 260mm Bell: 195mm

Baritone Koenig horn in 8-ft C. Antoine Courtois 1856-1858 Paris  Hight : 379 mm C: 350mm Bell: 220mm Total length: 8 feet

Koenig horn in F etc. Antoine Courtois 1856-1858 Total length: 4½ feet Hight: 378 mm C: 325 mm Bell: 200 mm on side of valve casings "1","2", "3".  Stamped inside 3rd valve top cap "783" Tuning-slide for Eb and Db inscribed "MIb & REb"

Koenig horn With shank for F  and crooks for Eb D, Db and C Antoine Courtois 1866-1867 Paris Inscribed on valve casings, top caps,spring capsules "1", "2", "3" on inside of 3rd valve top cap "1956" on F shank "FA" on D crook "RE" on Db crook "REb" Hight 377 mm Bell 199 mm Sounding length: minima 1724mm (in F), 1925mm (in Eb), 2050mm (in D), 2161mm (in Db), 2321mm (in C)